Table 6 Matrix of comparative assessment of dam site suitability.
Parameters | Weight % | Weight vector | Quality for building a dam for “the first region” | Quality for building a dam for “the second region” | Hypothetical score calculation weighted decision matrix for “the first region” | Hypothetical score calculation weighted decision matrix for “the second region” |
|---|---|---|---|---|---|---|
Bifurcation ratio (Mbr) | 10 | 0.1 | 0.5 | 0.6 | 0.05 | 0.06 |
Aspect | 5 | 0.05 | 0.5 | 0.6 | 0.025 | 0.03 |
Slope | 10 | 0.1 | 0.4 | 0.7 | 0.04 | 0.07 |
Hill shade of the study area | 5 | 0.05 | 0.6 | 0.7 | 0.03 | 0.035 |
Annual average precipitation | 15 | 0.15 | 0.3 | 0.4 | 0.045 | 0.06 |
Stream length (Lu) | 5 | 0.05 | 0.5 | 0.5 | 0.025 | 0.025 |
Drainage density (Dd) | 10 | 0.1 | 0.4 | 0.5 | 0.04 | 0.05 |
Stream frequency (Fs) | 10 | 0.1 | 0.4 | 0.5 | 0.04 | 0.05 |
Drainage intensity (Di) | 5 | 0.05 | 0.3 | 0.4 | 0.015 | 0.02 |
Infiltration number (If) | 10 | 0.1 | 0.6 | 0.7 | 0.06 | 0.07 |
Flood possibilities | 10 | 0.1 | 0.5 | 0.6 | 0.05 | 0.06 |
Geoelectrical model of sublayers | 5 | 0.05 | 0.4 | 0.6 | 0.02 | 0.03 |
Hypothetical score (suitability for building a dam) | 44% | 56% | ||||
